(19)

(11)

EP 1 721 462 A1

(12)

(43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05710946.4 (22) Date of filing: 11.02.2005

(51) International Patent Classification (IPC):  H04N 7/15(2006.01) (86) International application number: PCT/NO2005/000050 (87) International publication number: WO 2005/079068 (25.08.2005 Gazette 2005/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 13.02.2004 NO 20040661 (71) Applicant: Tandberg Telecom AS 1366 Lysaker (NO)	(72) Inventors: LIA, Tom, Erik N-1832 Askim (NO) JOHANSEN, Tom-Ivar N-0266 Oslo (NO) (74) Representative: Briddes, Sam  Onsagers Ltd c/o Innovation Norway 5 Lower Regent Street London SW1Y 4LR London SW1Y 4LR (GB)